package cn.dubito.sso.server;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableAuthorizationServer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerEndpointsConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.token.TokenStore;
import org.springframework.security.oauth2.provider.token.store.JwtAccessTokenConverter;
import org.springframework.security.oauth2.provider.token.store.JwtTokenStore;

/**
 * OAuth2 认证服务器
 * server 配置类
 *
 * @author liliang
 * @description:
 * @date 2018/5/14.
 */
@Configuration
@EnableAuthorizationServer
public class SsoAuthorizationServerConfig extends AuthorizationServerConfigurerAdapter {

    /**
     * 配置认证服务器分发令牌
     *
     * @param clients
     * @throws Exception
     */
    @Override
    public void configure(ClientDetailsServiceConfigurer clients) throws Exception {
        clients.inMemory()
                .withClient("dubito1")
                .secret("dubitosecret1")
                .authorizedGrantTypes("authorization_code", "refresh_token")
                .scopes("all")
                .and()
                .withClient("dubito2")
                .secret("dubitosecret2")
                .authorizedGrantTypes("authorization_code", "refresh_token")
                .scopes("all");
    }

    /**
     * 配置 TokenStore 和 JWT 相关联
     * @param endpoints
     * @throws Exception
     */
    @Override
    public void configure(AuthorizationServerEndpointsConfigurer endpoints) throws Exception {
        endpoints
                .tokenStore(jwtTokenStore())
                .accessTokenConverter(jwtAccessTokenConverter());
    }

    /**
     * 认证服务器安全配置
     *
     * @param security
     * @throws Exception
     */
    @Override
    public void configure(AuthorizationServerSecurityConfigurer security) throws Exception {
         security.tokenKeyAccess("isAuthenticated()");
    }

    /**
     * 配置认证服务器发送 JWT 令牌
     *
     * @return
     */
    @Bean
    public TokenStore jwtTokenStore() {
        return new JwtTokenStore(jwtAccessTokenConverter());
    }

    /**
     * 默认令牌转换成 JWT 令牌
     *
     * @return
     */
    @Bean
    public JwtAccessTokenConverter jwtAccessTokenConverter() {
        JwtAccessTokenConverter converter = new JwtAccessTokenConverter();
        converter.setSigningKey("dubito");
        return converter;
    }
}
